@font-face{font-family:system-fallback;src:local("Microsoft YaHei")}:root{--ink: #242631;--muted: #626573;--line: #e1e2e8;--paper: #fafaf8;--accent: #5554d9;--soft: #efeffb;--green: #28735b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.75 -apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.6vw,62px);line-height:1.25;letter-spacing:-.045em;font-weight:650}h2{font-size:clamp(27px,3vw,39px);line-height:1.35;letter-spacing:-.025em;font-weight:650}h3{font-size:21px;line-height:1.5}p{color:var(--muted)}.container{width:min(1160px,calc(100% - 64px));margin-inline:auto}.header{position:sticky;top:0;z-index:20;background:#fafaf8f7;border-bottom:1px solid var(--line)}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;white-space:nowrap}nav{display:flex;gap:32px}nav a{font-size:14px;padding:27px 0;position:relative}nav a[aria-current=page]{color:var(--accent)}nav a[aria-current=page]:after{content:"";height:2px;background:var(--accent);position:absolute;bottom:0;left:0;right:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;padding:12px 23px;background:var(--accent);border:1px solid var(--accent);color:#fff;border-radius:6px;font-weight:600;font-size:15px;transition:background .15s}.button:hover{background:#4140ba;color:#fff}.button.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.button.small{font-size:13px;padding:8px 15px}.button:disabled{background:#eeeff1;border-color:var(--line);color:#676a74}.eyebrow{font-size:12px;letter-spacing:.13em;color:var(--accent);font-weight:700;margin-bottom:22px}.hero{padding-top:76px}.hero-heading{display:grid;grid-template-columns:1.5fr 1fr;gap:72px;align-items:end}.hero-heading p{font-size:17px;max-width:390px}.hero-heading h1{margin-bottom:12px}.hero-heading h1 span{color:var(--accent)}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}.product-stage{margin-top:48px;background:#eeeef2;padding:40px 64px 34px;position:relative;border:1px solid #e3e3e9;border-radius:10px}.desktop-shot{width:91%;box-shadow:0 15px 45px #24263112;border:1px solid #d4d6e0;border-radius:7px}.phone-shot{position:absolute;width:19%;right:35px;bottom:48px;border:6px solid #fff;border-radius:22px;box-shadow:0 10px 30px #24263120}.stage-caption{font-size:12px;color:var(--muted);margin:18px 0 0}.section{padding-block:82px;border-bottom:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-heading h2{margin-bottom:8px}.text-link{color:var(--accent);font-size:14px;font-weight:600}.downloads{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}.download{padding:25px 17px;border-right:1px solid var(--line);min-width:0}.download:last-child{border:0}.download h3{font-size:20px;margin-bottom:4px}.download p{font-size:12px;min-height:22px;margin-bottom:20px}.download a{font-size:13px;color:var(--accent);font-weight:600}.download .unavailable{font-size:12px;color:var(--muted)}.download[data-recommended=true]{background:var(--soft)}.recommend{display:none;font-size:10px;color:var(--accent)}[data-recommended=true] .recommend{display:inline}.download details{margin-top:12px;font-size:12px}.download summary{cursor:pointer}.download details img{margin-top:12px;width:120px;background:#fff}.muted{color:var(--muted)}.smallprint{font-size:12px;margin-top:18px}.overview{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:8px}.overview>div{padding:22px 25px;min-width:0}.overview dt{font-size:12px;color:var(--muted);margin-bottom:6px}.overview dd{margin:0;font-size:17px;overflow-wrap:anywhere}.overview dd[data-state=loading]{color:var(--muted)}.live-label{font-size:12px;color:var(--green);display:inline-flex;align-items:center;gap:8px}.live-label:before{content:"";width:7px;height:7px;background:var(--green);border-radius:50%}.feature-row{display:grid;grid-template-columns:1fr 1.3fr;gap:76px;align-items:center;margin-top:65px}.feature-row.reverse{grid-template-columns:1.3fr 1fr}.feature-row img{border:1px solid var(--line);border-radius:8px}.feature-row .mobile-feature{max-height:480px;width:auto;margin:auto}.feature-list{list-style:none;padding:0}.feature-list li{border-top:1px solid var(--line);padding:12px 0;font-size:14px}.feature-list li:before{content:"↗";color:var(--accent);margin-right:12px}.research{display:grid;grid-template-columns:1fr 1.2fr;gap:90px}.year{font-size:86px;font-weight:500;letter-spacing:-5px;line-height:1.2}.project-list{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin-top:26px}.project-list a{border-top:1px solid var(--line);padding:16px 0}.project-list strong{display:block;font-size:14px}.project-list span{font-size:12px;color:var(--muted)}.guide-choices{display:grid;grid-template-columns:1fr 1fr;gap:28px}.guide-choice{border-top:2px solid var(--ink);padding-top:25px}.guide-choice h3{font-size:26px}.guide-choice span{float:right;color:var(--accent)}footer{padding:42px 0 20px;background:#f1f1ef}.footer-top,.footer-bottom{display:flex;justify-content:space-between;gap:25px}.footer-top p{font-size:13px;margin-top:12px}.footer-links{display:flex;gap:24px;flex-wrap:wrap;font-size:13px}.footer-bottom{border-top:1px solid #dcdcde;padding-top:22px;margin-top:25px;font-size:12px;color:var(--muted)}.page-intro{padding:64px 0 32px}.page-intro h1{font-size:44px;margin-bottom:18px}.page-intro p{max-width:730px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:25px}.skip{position:fixed;top:-100px;left:20px;background:#fff;padding:12px;z-index:100}.skip:focus{top:10px}.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}.detect-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:42px;padding-bottom:80px}.side-nav{position:sticky;top:112px;align-self:start;display:flex;flex-direction:column;gap:12px;font-size:14px}.detect-section{margin-bottom:30px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.detect-section header{padding:25px 28px;border-bottom:1px solid var(--line)}.detect-section h2{font-size:23px;margin:0 0 8px}.detect-section p{font-size:13px;margin-bottom:0}.results{padding:0 28px}.result{display:grid;grid-template-columns:160px minmax(0,1fr) 45px;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:13px;align-items:start}.result:last-child{border:0}.result-value{overflow-wrap:anywhere;white-space:pre-wrap;color:var(--ink);font-family:Consolas,monospace}.status{font:11px/1.6 sans-serif;color:var(--muted);display:block;margin-top:5px}.copy{background:none;border:0;color:var(--accent);font-size:12px;padding:2px}.notice{border-left:3px solid var(--accent);background:var(--soft);padding:18px 22px;font-size:14px;margin:22px 0}.detect-section .toolbar{margin:20px 28px}.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:100px;padding:20px 0 90px}form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input,textarea{width:100%;padding:13px;border:1px solid #c9cbd5;background:#fff;border-radius:5px;color:var(--ink)}textarea{resize:vertical;min-height:180px}form .field{margin-bottom:24px}.form-status{font-size:14px;margin-top:16px}.help-search{max-width:600px;margin-bottom:30px}.help-list{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0 70px}.help-list article{border-top:1px solid var(--line);padding:20px 0}.help-list h2{font-size:21px;margin-bottom:8px}.help-list p{font-size:14px}.help-layout{display:grid;grid-template-columns:210px minmax(0,760px);gap:55px;padding-bottom:80px}.article{min-width:0}.article h2{font-size:27px;margin-top:42px}.article h3{font-size:20px;margin-top:30px}.article p,.article li{color:#4d505d}.article li{padding:5px 0}.article a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.article figure{margin:28px 0}.article figure img{max-height:600px;object-fit:contain;border:1px solid var(--line);border-radius:8px}.article figcaption{font-size:12px;color:var(--muted);margin-top:10px}.article blockquote{margin:24px 0;padding:8px 24px;background:var(--soft);border-left:3px solid var(--accent)}.article table{border-collapse:collapse;width:100%;font-size:14px}.article td,.article th{padding:12px;border:1px solid var(--line);text-align:left}.article-nav{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:25px;margin-top:40px}.policy{white-space:pre-wrap}.search-empty{padding:20px}.screen-notes{font-size:13px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:900px){.header-download{display:none}.hero-heading{gap:25px;grid-template-columns:1.2fr 1fr}.downloads{grid-template-columns:repeat(3,1fr)}.download{border-bottom:1px solid var(--line)}.feature-row,.feature-row.reverse{gap:35px}.research,.contact-grid{gap:40px}.help-layout{gap:28px;grid-template-columns:170px minmax(0,1fr)}}@media(max-width:600px){.container{width:calc(100% - 36px)}.header-inner{display:block;padding-top:15px}.brand{font-size:18px}.brand img{width:28px;height:28px}nav{gap:0;justify-content:space-between}nav a{font-size:13px;padding:12px 0}.hero{padding-top:42px}.hero-heading{display:block}.hero-heading p{font-size:15px;margin-top:20px}.eyebrow{margin-bottom:16px}.product-stage{padding:20px 12px 18px;margin-top:28px}.desktop-shot{width:94%}.phone-shot{width:23%;right:6px;bottom:47px;border-width:3px;border-radius:9px}.stage-caption{font-size:10px;max-width:85%}.section{padding-block:46px}.section-heading{display:block}.section-heading .text-link{display:inline-block;margin-top:12px}.downloads{grid-template-columns:1fr 1fr}.download{padding:20px 14px}.download h3{font-size:18px}.overview{grid-template-columns:1fr 1fr}.overview>div{padding:17px 14px}.overview dd{font-size:14px}.feature-row,.feature-row.reverse,.research,.guide-choices,.contact-grid{grid-template-columns:1fr;gap:24px}.feature-row{margin-top:35px}.feature-row.reverse>div{order:-1}.feature-row .mobile-feature{max-height:400px}.year{font-size:65px}.project-list{gap:0 15px}.footer-top,.footer-bottom{flex-direction:column;gap:12px}.footer-links{gap:14px}.page-intro{padding-top:38px}.page-intro h1{font-size:34px}.detect-layout,.help-layout{display:block}.side-nav{position:static;flex-direction:row;flex-wrap:wrap;margin-bottom:25px;gap:10px 18px;font-size:12px}.detect-section header{padding:20px 18px}.results{padding:0 18px}.result{grid-template-columns:100px minmax(0,1fr) 30px;gap:8px;font-size:12px}.help-list{grid-template-columns:1fr;gap:5px}.article table{font-size:12px}.article td,.article th{padding:7px}.contact-grid{padding-bottom:50px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}:root{--ink: #211b30;--muted: #756f81;--line: #ece8f1;--paper: #faf9fc;--accent: #713ce5;--soft: #f0eafa;color-scheme:light}.container{width:min(1360px,calc(100% - 80px))}.header{background:#faf9fcf5;border-bottom:1px solid #eeebf3;backdrop-filter:blur(16px)}.header-inner{min-height:88px}.brand{font-size:23px;gap:12px}.brand img{width:42px;height:42px}.button{border-radius:14px;background:var(--accent);border-color:var(--accent)}.button:hover{background:#5b2cc3}.header-download{border-radius:30px;padding:10px 24px!important}.button.secondary{background:#fff}.button.secondary:hover{background:var(--soft);color:var(--accent)}.page-intro{margin-block:28px;padding:36px;background:linear-gradient(115deg,#f0e9ff,#f7f4fc);border:1px solid #e9e0f7;border-radius:28px}.page-intro h1{font-size:clamp(30px,3.6vw,46px)}.page-intro .breadcrumb{margin-bottom:18px}.page-intro p:last-child{margin-bottom:0}.overview{border-radius:20px;overflow:hidden}.overview>div{border-bottom:1px solid var(--line)}.overview dt{color:#777080}.overview dd{font-size:15px}.guide-choice,.help-list article{padding:26px;border:1px solid var(--line);border-radius:24px;background:#fff;transition:border-color .2s,transform .2s}.guide-choice:hover,.help-list article:hover{border-color:#d1bcef;transform:translateY(-2px)}.guide-choice p,.help-list article p:last-child{margin-bottom:0}.help-list{gap:18px}.help-search{max-width:700px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:20px}.help-search label{display:block;font-size:13px;margin-bottom:10px}.side-nav{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;gap:6px}.side-nav a{padding:7px 10px;border-radius:9px}.side-nav a:hover,.side-nav a[aria-current=page]{background:var(--soft);color:var(--accent)}.detect-layout{gap:24px;grid-template-columns:200px minmax(0,1fr)}.detect-section{border-radius:24px}.detect-section header{background:#fcfaff}.detect-section h2{font-size:21px}.notice{border:1px solid #e7dcfa;border-radius:18px}.contact-grid{gap:24px;align-items:start}.contact-grid>div,.contact-grid>form{background:#fff;padding:32px;border:1px solid var(--line);border-radius:26px}.contact-grid>div{background:var(--soft)}input,textarea{border-radius:12px;border-color:#ded6e9;background:#fdfcff}.help-layout{grid-template-columns:220px minmax(0,1fr);gap:24px}.article{padding:32px;background:#fff;border:1px solid var(--line);border-radius:26px;margin-bottom:40px}.article>:first-child{margin-top:0}.article figure img{border-radius:16px}.article.section{padding:36px}.policy{overflow-wrap:anywhere}.project-list a{background:#ffffffa8;border:1px solid #e4daf4;border-radius:14px;padding:16px}.project-list{gap:12px}.year{color:var(--accent)}footer{background:#f0ecf6;border-top:1px solid #e9e2f2;margin-top:32px}.footer-bottom{border-color:#e0d7ec}.section{border-color:var(--line)}@media(max-width:900px){.container{width:calc(100% - 40px)}.header-inner{gap:16px}.brand{font-size:20px}nav{gap:22px}.contact-grid{gap:18px}.contact-grid>div,.contact-grid>form{padding:24px}.help-layout{grid-template-columns:180px minmax(0,1fr)}.article{padding:24px}}@media(max-width:600px){.container{width:calc(100% - 28px)}.header-inner{padding-top:12px}.brand{font-size:19px}.brand img{width:32px;height:32px}nav{gap:0}.page-intro{padding:24px 20px;margin-block:20px;border-radius:22px}.page-intro h1{font-size:30px}.page-intro .overview{margin-inline:-8px}.overview>div{padding:14px 12px}.detect-layout,.help-layout{display:block}.side-nav{padding:12px;gap:4px;position:static}.side-nav a{padding:6px 8px}.article,.article.section{padding:22px 18px}.article table{display:block;overflow-x:auto}.help-list{gap:14px}.help-list article,.guide-choice{padding:22px}.contact-grid>div,.contact-grid>form{padding:24px 20px}.result{grid-template-columns:85px minmax(0,1fr) 30px}.footer-links{gap:16px}.project-list,.contact-grid{grid-template-columns:1fr}}@media(prefers-color-scheme:dark){html:root{color-scheme:dark;--ink:#eeeaf5;--muted:#b2acbd;--line:#423b50;--paper:#18161e;--accent:#b59af8;--soft:#30273f;--green:#70d6af}html .header{background:#18161ef5;border-color:var(--line)}html .page-intro,html .home-intro,html .download-heading{background:linear-gradient(115deg,#30243f,#211c2b);border-color:var(--line)}html .overview,html .downloads,html .guide-choice,html .help-list article,html .help-search,html .side-nav,html .article,html .detect-section,html .download-card,html .system-card,html .environment-panel,html .contact-grid>form,html .home-theme .feature-row,html .home-theme .network-feature,html .skip{background:#211d2a;color:var(--ink);border-color:var(--line)}html .product-stage,html .detect-section header,html .home-product,html footer,html .contact-grid>div,html .notice{background:var(--soft);border-color:var(--line)}html input,html textarea,html select,html pre,html th{background:#25202f;color:var(--ink);border-color:var(--line)}html .button{background:#713ce5;border-color:#956de9;color:#fff}html .button:hover{background:#8050e8;color:#fff}html .button.secondary{background:#30273f;color:var(--ink);border-color:var(--line)}html .button.secondary:hover,html .platform-direct:hover{background:#443256;color:var(--accent)}html .hero-badge,html .hero-tags span,html .project-list a{background:#ffffff0d;color:var(--accent);border-color:var(--line)}html .article p,html .article li,html .home-description,html .overview dt{color:var(--muted)}html .button:disabled,html .platform-direct.unavailable,html .download-unavailable{background:#302c36;color:var(--muted)}html .footer-bottom,html td,html th{border-color:var(--line)}html .browser-card{background:linear-gradient(140deg,#48365f,#30243f);border-color:#69517e}}